You might also look into "Comet" - Google that word *with* the term AJAX and read about it. I think this may be more suited to what you are doing than 'AJAX' per se.
Jason Bunting > -----Original Message----- > From: Discussion of advanced .NET topics. [mailto:ADVANCED- > [EMAIL PROTECTED] On Behalf Of Peter Vertes > Sent: Thursday, January 25, 2007 10:14 AM > To: ADVANCED-DOTNET@DISCUSS.DEVELOP.COM > Subject: [ADVANCED-DOTNET] Streaming Data to a Webpage > > Hello List, > > I've been presented with an interesting project but after doing some > research into it I believe it is impossible to do with the requirements > given by the client. The client would like to stream data to a webpage > and > the webpage should display the updates delivered by the data as close to > real-time as possible. For instance imagine a DataGrid that has 10 ticker > symbols in it. Whenever the price changes for a symbol the backend pushes > the changed prices and symbols into a DataSet and the DataGrid (which is > bound to the DataSet) shows the updated prices. The requirements of the > client are that the users should not have to download/install anything > onto > their computers and no ports should be needed to be opened on the firewall > besides ports 80. I've been doing some research into this but I'm not > getting too far. I've tried opening a socket from ASP.NET but I can't get > updates without a refresh to the page. I've looked into an AJAX solution > but with AJAX you can't have an open socket. To be honest I think the > only > way this could be possibly done is either via a Java applet or with some > ActiveX component (although I'd prefer Java over ActiveX programming). > Before I told the client that besides a Java Applet solution the project > could not be done I thought I'd check with the list and ask for opinions > or > other words of wisdom. Am I right by thinking this can only be done with > a > Java applet or is there another solution out there that I haven't explored > ? Better yet; has anyone done anything like this before ? Thanks for all > ideas/comments in advance... > > -Pete > > =================================== > This list is hosted by DevelopMentorĀ® http://www.develop.com > > View archives and manage your subscription(s) at > http://discuss.develop.com > > -- > No virus found in this incoming message. > Checked by AVG Free Edition. > Version: 7.5.432 / Virus Database: 268.17.11/652 - Release Date: 1/25/2007 > 3:32 PM > -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.432 / Virus Database: 268.17.11/652 - Release Date: 1/25/2007 3:32 PM =================================== This list is hosted by DevelopMentorĀ® http://www.develop.com View archives and manage your subscription(s) at http://discuss.develop.com